Ayuma & 11 others (Suing on their own behalf and on behalf of the Muthuruwa Residents) v Registered Trustees of the Kenya Railways Staff Retirement Benefits Scheme & 2 others; Kothari (Interested Party) (Petition 65 of 2010) [2015] KEHC 8007 (KLR) (Constitutional and Human Rights) (18 December 2015) (Ruling)